﻿//
// (C) Copyright 2009 Irantha Suwandarathna (iranthas@hotmail.com)
// All rights reserved.
//

/* Copyright (c) 2001-2008, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use _in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions _in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer _in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using EffiProz.Core.Lib;
using EffiProz.Core.RowIO;
using EffiProz.Core.Errors;
using EffiProz.Core.Indexes;

namespace EffiProz.Core.Persist
{
    public class RowStoreAVLDiskData : RowStoreAVLDisk
    {
        public RowStoreAVLDiskData(PersistentStoreCollection manager,
                               Table table)
            : base(manager, null, table)
        {

        }

        public override bool isMemory()
        {
            return false;
        }

        public override void add(CachedObject obj)
        {

            int size = obj.getRealSize(cache.rowOut);

            obj.setStorageSize(size);
            cache.add(obj);
        }

        public override CachedObject get(RowInputInterface _in)
        {

            try
            {
                return new RowAVLDiskData(table, _in);
            }
            catch (IOException e)
            {
                throw Error.error(ErrorCode.TEXT_FILE_IO, e);
            }
        }

        public override CachedObject getNewCachedObject(Session session, Object obj)
        {

            Row row = new RowAVLDiskData(table, (Object[])obj);

            add(row);

            if (session != null)
            {
                RowAction.addAction(session, RowAction.ACTION_INSERT, table, row);
            }

            return row;
        }

        public override void removeAll()
        {

            // does not yet clear the storage
        }

        public override void remove(int i)
        {

            if (cache != null)
            {
                cache.remove(i, this);
            }
        }

        public override void removePersistence(int i)
        {

            if (cache != null)
            {
                cache.removePersistence(i);
            }
        }

        public override void release(int i)
        {

            if (cache != null)
            {
                cache.release(i);
            }
        }

        public override void commitPersistence(CachedObject row)
        {

            try
            {
                if (cache != null)
                {
                    cache.saveRow(row);
                }
            }
            catch (CoreException ) { }
        }

        public override void release()
        {

            ArrayUtil.fillArray(accessorList, null);
            table.database.logger.closeTextCache((Table)table);

            cache = null;
        }
    }
}
